US 11,754,650 B2
MRI shield
Mayur J. Thakore, Parsippany, NJ (US)
Assigned to Howmedica Osteonics Corp., Mahwah, NJ (US)
Filed by Howmedica Osteonics Corp., Mahwah, NJ (US)
Filed on Apr. 8, 2021, as Appl. No. 17/225,632.
Claims priority of provisional application 63/008,142, filed on Apr. 10, 2020.
Prior Publication US 2021/0318400 A1, Oct. 14, 2021
Int. Cl. G01R 33/422 (2006.01); A61B 5/055 (2006.01)
CPC G01R 33/422 (2013.01) [A61B 5/055 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A shielding apparatus comprising:
a first layer positioned on a first plane comprising a low conductive material;
a second layer positioned on a second plane parallel to the first plane and adjacent the first layer, the second layer comprising a high conductive material;
a third layer positioned on a third plane parallel to the second plane and adjacent the second layer, the third layer comprising the low conductive material of the first layer; and
a fourth layer surrounding the first, second and third layers, the fourth layer comprising a nonconductive material,
wherein the shielding apparatus is configured for interrupting a radiofrequency electromagnetic field of an MRI machine.